这是一个控制USB设备块传输的例子，应用的是cpress的驱动，直接到cpress的主页下载就可以了-This is a USB device control block transmission example, the application is cpress driven directly to the Home cpress can download the

我用VB写的应用程序，用的是68013芯片，驱动程序也已经安装好，并且操作系统已经能识别设备，可是应用程序用creatfile就是打不开设备，得不到设备句柄。-I use VB to write applications, using the 68013 chip, drivers have been installed, operating systems and equipment has the ability to recognize, but applications using cr

用Driver Works开发GPS手持终端中USB接口的设备驱动程序-Driver Works with the development of GPS handheld terminal USB Device Driver

PDIUSBD12的USB驱动程序，用VC编写简单明了，方便大家把USB设备与PC机想连-PDIUSBD12 USB driver, VC prepare simple, They were convenient USB devices and PC to even

usb调试工具，用于D12的设备驱动调试